DC Motors A dc motor can be easily identified by Winding Size of conductor Commutator Yoke Winding Size of conductor Commutator Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging field terminals None of the listed here Interchanging supply terminals Either of Interchanging field or Interchanging supply Interchanging field terminals None of the listed here Interchanging supply terminals Either of Interchanging field or Interchanging supply ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They reduce sparking They have lower resistance They reduce armature reaction They have longer life They reduce sparking They have lower resistance They reduce armature reaction They have longer life ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for All D.C. motors Shunt as well as compound motors Shunt motors Shunt, compound and series motors All D.C. motors Shunt as well as compound motors Shunt motors Shunt, compound and series motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which method of braking is generally used in elevators? None of these Regenerative braking Rheostat braking Plugging None of these Regenerative braking Rheostat braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field control method Voltage control method Armature resistance control method Field divertor method Field control method Voltage control method Armature resistance control method Field divertor method ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS